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From:   Alexandre Mergnat <amergnat@baylibre.com>
Date:   Wed, 29 Mar 2023 11:52:23 +0200
Subject: [PATCH RESEND 4/6] arm64: dts: mediatek: add smi support for
 mt8365 SoC
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Message-Id: <20230207-iommu-support-v1-4-4a902f9aa412@baylibre.com>
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In-Reply-To: <20230207-iommu-support-v1-0-4a902f9aa412@baylibre.com>
To:     Yong Wu <yong.wu@mediatek.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc:     linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Alexandre Mergnat <amergnat@baylibre.com>
Precedence: bulk

Smart Multimedia Interface (SMI) local arbiter does the arbitration for
memory requests from multi-media engines. Add SMI in the MT8365 DTS will allow
to add local ARBiter (LARB), use by IOMMU.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365.dtsi | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index 67b375fe2020..61333800ff4a 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -324,16 +324,19 @@ power-domain@MT8365_POWER_DOMAIN_CAM {
 							      "cam-4", "cam-5";
 						#power-domain-cells = <0>;
 						mediatek,infracfg = <&infracfg>;
+						mediatek,smi = <&smi_common>;
 					};
 
 					power-domain@MT8365_POWER_DOMAIN_VDEC {
 						reg = <MT8365_POWER_DOMAIN_VDEC>;
 						#power-domain-cells = <0>;
+						mediatek,smi = <&smi_common>;
 					};
 
 					power-domain@MT8365_POWER_DOMAIN_VENC {
 						reg = <MT8365_POWER_DOMAIN_VENC>;
 						#power-domain-cells = <0>;
+						mediatek,smi = <&smi_common>;
 					};
 
 					power-domain@MT8365_POWER_DOMAIN_APU {
@@ -351,6 +354,7 @@ power-domain@MT8365_POWER_DOMAIN_APU {
 							      "apu-5";
 						#power-domain-cells = <0>;
 						mediatek,infracfg = <&infracfg>;
+						mediatek,smi = <&smi_common>;
 					};
 				};
 
@@ -709,6 +713,18 @@ mmsys: syscon@14000000 {
 			#clock-cells = <1>;
 		};
 
+		smi_common: smi@14002000 {
+			compatible = "mediatek,mt8365-smi-common",
+				     "mediatek,mt8186-smi-common";
+			reg = <0 0x14002000 0 0x1000>;
+			clocks = <&mmsys CLK_MM_MM_SMI_COMMON>,
+				 <&mmsys CLK_MM_MM_SMI_COMMON>,
+				 <&mmsys CLK_MM_MM_SMI_COMM0>,
+				 <&mmsys CLK_MM_MM_SMI_COMM1>;
+			clock-names = "apb", "smi", "gals0", "gals1";
+			power-domains = <&spm MT8365_POWER_DOMAIN_MM>;
+		};
+
 		camsys: syscon@15000000 {
 			compatible = "mediatek,mt8365-imgsys", "syscon";
 			reg = <0 0x15000000 0 0x1000>;
@@ -720,7 +736,6 @@ apu: syscon@19020000 {
 			reg = <0 0x19020000 0 0x1000>;
 			#clock-cells = <1>;
 		};
-
 	};
 
 	timer {

-- 
2.25.1